//
//  BaseTableViewController.m
//  PersonalHomePageDemo
//
//  Created by Kegem Huang on 2017/3/15.
//  Copyright © 2017年 huangkejin. All rights reserved.
//

#import "BaseTableViewController.h"

@interface BaseTableViewController ()

//判断手指是否离开
@property (nonatomic, assign) BOOL isTouch;

@end

@implementation BaseTableViewController

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.tableView.showsVerticalScrollIndicator = NO;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    self.isTouch = YES;
}

///用于判断手指是否离开了 要做到当用户手指离开了，tableview滑道顶部，也不显示出主控制器
- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
    NSLog(@"手指离开了");
    self.isTouch = NO;
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    if (!self.canScroll) {
        [scrollView setContentOffset:CGPointZero];
    }
    CGFloat offsetY = scrollView.contentOffset.y;
    if (offsetY<0) {
        if (!self.isTouch) {//当手指离开了，也不允许显示主控制器，这里可以根据实际需求做处理
            return;
        }
        [[NSNotificationCenter defaultCenter] postNotificationName:@"kLeaveTopNtf" object:@1];
        self.canScroll = NO;
        scrollView.contentOffset = CGPointZero;
    }
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
#warning Incomplete implementation, return the number of sections
    return 0;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
#warning Incomplete implementation, return the number of rows
    return 0;
}

/*
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:<#@"reuseIdentifier"#> forIndexPath:indexPath];
    
    // Configure the cell...
    
    return cell;
}
*/

/*
// Override to support conditional editing of the table view.
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    // Return NO if you do not want the specified item to be editable.
    return YES;
}
*/

/*
// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
    } else if (editingStyle == UITableViewCellEditingStyleInsert) {
        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
    }   
}
*/

/*
// Override to support rearranging the table view.
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
}
*/

/*
// Override to support conditional rearranging of the table view.
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
    // Return NO if you do not want the item to be re-orderable.
    return YES;
}
*/

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end
